package com.atguigu.crowd.mvc.handler;

import com.atguigu.crowd.entity.Auth;
import com.atguigu.crowd.entity.Role;
import com.atguigu.crowd.service.api.AdminService;
import com.atguigu.crowd.service.api.AuthService;
import com.atguigu.crowd.service.api.RoleService;
import com.atguigu.crowd.util.ResultEntity;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import java.util.List;
import java.util.Map;

@Controller
public class AssignHandler {

    @Autowired
    private AdminService adminService;

    @Autowired
    private RoleService roleService;

    @Autowired
    private AuthService authService;

    @ResponseBody
    @RequestMapping("/assign/do/save/role/auth/relationship.json")
    public ResultEntity<String> saveRoleAuthRelationship(
            @RequestBody Map<String ,List<Integer>> map ){

        authService.saveRoleAuthRelationship(map);

        return ResultEntity.successWithoutData();
    }


    @ResponseBody
    @RequestMapping("/assign/get/checked/auth/id.json")
    public ResultEntity<List<Integer>> getAssignAuthByRoleId(@RequestParam("roleId") Integer roleId){

        List<Integer> authList = authService.getAssignAuthByRoleId(roleId);


        return ResultEntity.successWithData(authList);
    }

    @ResponseBody
    @RequestMapping("/assign/get/all/auth.json")
    public ResultEntity<List<Auth>> getAllAuth(){

        List<Auth> authList = authService.getAll();

        return ResultEntity.successWithData(authList);
    }


    @RequestMapping("/assign/do/assign.html")
    public String saveAdminRoleRelationship(
            @RequestParam("adminId") Integer adminId,
            @RequestParam("pageNum") Integer pageNum,
            @RequestParam("keyword") String keyword,
            // 允许roleIdList为空（因为可能已分配的被清空）
            // required = false 表示这个请求参数不是必须的
            @RequestParam(value = "roleIdList",required = false) List<Integer> roleIdList){

        // 调用service层方法
        roleService.saveAdminRoleRelationship(adminId,roleIdList);

        //重定向（减少数据库操作）返回信息页
        return "redirect:/admin/get/page.html?pageNum="+pageNum+"&keyword="+keyword;
    }

    @RequestMapping("/assign/to/page.html")
    public String toAssignPage(@RequestParam("adminId") Integer adminId, ModelMap modelMap){

        // 1.查询已分配的角色
        List<Role> assignedRoleList = roleService.getAssignedRole(adminId);

        // 2.查询未分配的角色
        List<Role> unAssignedRoleList = roleService.getUnAssignedRole(adminId);

        // 3.存入模型（本质上其实是 request.setAttribute("attrName",attrValue)）
        modelMap.addAttribute("assignedRoleList",assignedRoleList);
        modelMap.addAttribute("unAssignedRoleList",unAssignedRoleList);

        // 请求转发到assign-role.jsp
        return "assign-role";
    }


}
